67% (1960)

63% (1972)

72% (2020)

69% (2007)

69% (1994)

71% (2011)

80% (2019)

39% (2019)

58% (2008)

47% (1972)

63% (2011)

66% (2018)

37% (1987)

85% (2000)

70% (1986)

62% (1988)

70% (1971)

59% (1984)

62% (2001)

73% (1955)